Character Relationship Map: Posto

Characters

• Arka Lahiri (played by Arghya Basu Roy) — protagonist

  Arka, affectionately called Posto, is a young boy raised by his grandparents in Santiniketan while his parents live in Kolkata and visit on weekends. When his parents want to take him away, the confli...

• Arnab Lahiri (played by Jisshu Sengupta) — supporting

  Arnab is Arka's father and lives in Kolkata with his wife, Sushmita. After receiving an offer to start a restaurant business abroad, he wants to take his son from the grandparents who have raised him...

• Dinen Lahiri (played by Soumitra Chatterjee) — supporting

  Dinen is Arka's grandfather and, together with his wife, raises the boy in Santiniketan. He becomes part of the conflict when Arka's parents seek to take their son away, and the dispute between the pa...

• Gauri Lahiri (played by Lily Chakravarty) — supporting

  Gauri is Arka's grandmother and raises him with her husband, Dinen, in Santiniketan. When Arka's parents decide they want to take him away, she is part of the grandparents' side of the resulting famil...

• Sushmita Lahiri (played by Mimi Chakraborty) — supporting

  Sushmita is Arka's mother and lives in Kolkata with her husband, Arnab. She and Arnab visit their son on weekends, but the couple later want to take him from the grandparents who raised him in Santini...

Canonical Relationships

Family, romantic, and professional connections based on plot evidence.

• Dinen Lahiri → Gauri Lahiri (Family Husband And Wife) — They act together as Arka's day-to-day caregivers and jointly face the threat of separation from him.

  The character profile describes Gauri as Dinen's wife, and both raise Arka together in Santiniketan.

• Arnab Lahiri → Sushmita Lahiri (Family Husband And Wife) — Their shared plans to build a new life in the UK drive the request to move Arka from his grandparents.

  The character profile states that Arnab lives in Kolkata with his wife, Sushmita. Sushmita later gives up her job to support Arnab and their plans abr...

• Gauri Lahiri → Arka Lahiri (Family Grandmother And Caregiver) — Gauri's daily care and emotional attachment make her a central figure in the grandparents' argument that love cannot be measured only by money.

  Gauri raises Arka with Dinen and indulges him at home. The court discussion emphasizes the care given to Arka by his grandparents.

• Dinen Lahiri → Arka Lahiri (Family Grandfather And Caregiver) — Dinen represents the grandparents' emotional and caregiving bond with Arka when the parents seek to remove him from their home.

  Dinen raises Arka with Gauri in Santiniketan, and the plot states that he shares Arka's company.

• Sushmita Lahiri → Arka Lahiri (Family Mother) — Sushmita initially lives apart from Arka, but her decision to give up her job and support a family life abroad reframes the dispute around Arka's future.

  The character profile identifies Sushmita as Arka's mother. She and Arnab later want to take Arka from the grandparents.

• Arnab Lahiri → Arka Lahiri (Family Father) — Arnab's parental claim becomes central to the custody dispute, especially after he criticizes the grandparents' care and seeks to change Arka's home.

  The character profile identifies Arnab as Arka's father. Arnab wants to take Arka from the grandparents and move him away from Santiniketan.

Story Dynamics

Alliances, conflicts, and narrative interactions that evolve throughout the story.

• Sushmita Lahiri → Gauri Lahiri (Parent-Grandparent Custody Conflict) — Sushmita's plans directly threaten Gauri's established role as Arka's daily caregiver and intensify the grandparents' fear of separation.

  Sushmita and Arnab want to take Arka away from Gauri and Dinen, who have raised him in Santiniketan.

• Sushmita Lahiri → Dinen Lahiri (Parent-Grandparent Custody Conflict) — Their opposing positions reflect the larger family disagreement over whether Arka should remain in Santiniketan or move with his parents.

  Sushmita joins the parental plan to take Arka from the grandparents, while Dinen is part of the grandparents' side in the court dispute.

• Arnab Lahiri → Gauri Lahiri (Parent-Grandparent Custody Conflict) — The dispute turns Gauri's caregiving into a legal issue, contrasting financial support with the affection and protection she provides.

  The parents' lawyer notes that regular expenses were sent to Gauri for Arka's care, while the grandparents' side argues that their devotion cannot be...

• Arnab Lahiri → Dinen Lahiri (Parent-Grandparent Custody Conflict) — Arnab challenges Dinen's approach to raising Arka, while Dinen's side argues that the grandparents' care has genuine emotional value.

  After Arka is hurt, his father criticizes the grandparents for being overprotective and keeping Arka sheltered. The disagreement then reaches court.

Story Analysis

A family custody dispute tests whether a child's future should be defined by parental plans, financial responsibility, or the grandparents' daily love.

Plot Progression

1. A Child Between Two Homes — Arka grows up happily with Dinen and Gauri in Santiniketan while his parents live and work in Kolkata. His school success and affectionate home life establish the grandparents' caregiving bond.
2. The Injury That Opens Old Wounds — After Arka is hurt, Arnab criticizes the grandparents' protective approach. The argument becomes a personal dispute about responsibility, sheltering, and whether Arka should move to Kolkata.
3. Love Put on Trial — The family conflict enters court, where the grandparents defend the value of their emotional care. The parents' side counters by emphasizing the regular expenses sent for Arka's upbringing.
4. The Threat of Separation — The grandparents are warned that they may lose the case and must prepare to lose Arka. Possible relocation to Kolkata and the UK increases anxiety, while the adults debate whether to move him before j...
5. A Family Future Unsettled — Arka's innocent remarks show the emotional cost of the adult dispute. Sushmita reveals that she is giving up her job to support Arnab and a new life in the UK, but the court case remains unresolved.